head to head · open source
Ollama vs GPT4All
Ollama has 181,161 GitHub stars, 17,917 forks, 3,957 open issues and last shipped yesterday. GPT4All has 77,399 stars, 8,291 forks, 771 open issues and last shipped 1.3 years ago. Ollama leads on adoption by 134% (181,161 vs 77,399 stars). Ollama is written in Go under MIT; GPT4All is written in C++ under MIT. Ollama has attracted 10% as many forks as stars, GPT4All 11%. Ollama was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Ollama | GPT4All | |
|---|---|---|
| GitHub stars | ★ 181K | ★ 77K |
| License | MIT | MIT |
| Written in | Go | C++ |
| Last push | 2026-09-17 | 2025-05-27 |
| Forks | ⑂ 18K | ⑂ 8.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Ollama if
- You weight community size — 181K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick GPT4All if
- You want the GPT4All feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and GPT4All fits your workflow better
About Ollama
Ollama is a Go based, MIT licensed runtime that downloads and runs open source large language models such as DeepSeek, Qwen, Gemma, GLM, MiniMax and gpt oss locally on a user's own machine, and it is aimed at developers and teams that want model inference without routing prompts through a hosted API.
read the full Ollama overview →
About GPT4All
GPT4All is an MIT licensed C++ chat application and Python client from Nomic that runs large language models privately on everyday desktops and laptops, built for developers and teams who want local inference without API calls, GPUs, or sending data off device.
read the full GPT4All overview →
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Frequently asked questions
Is Ollama or GPT4All more popular?
Ollama has 181,161 GitHub stars and GPT4All has 77,399. Ollama has the larger community by that measure.
Are Ollama and GPT4All free?
Both are open source. Ollama is licensed under MIT and GPT4All under MIT. Neither carries a licence fee.
What is the difference between Ollama and GPT4All?
Ollama is written in Go and GPT4All in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Ollama or GPT4All?
Choose Ollama if you want the larger community (181,161 stars) or its MIT licence terms. Choose GPT4All if its feature set, stack or MIT licence fits better. Both are self-hostable.